Finding the Fourth Proportional to 547,543.17, 755,601.62 and 305,829.18
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Solution
The fourth proportional to 547,543.17, 755,601.62 and 305,829.18 is: 422,039.82
Step by Step Solution
- Step 1: Write the proportion equation
547,543.17 : 755,601.62 = 305,829.18 : x - Step 2: Convert to fraction form
547,543.17/755,601.62 = 305,829.18/x - Step 3: Cross multiply
547,543.17x = 755,601.62 × 305,829.18 - Step 4: Simplify right side
547,543.17x = 231,085,022,322.13 - Step 5: Solve for x
x = 231,085,022,322.13/547,543.17 - Step 6: Final answer
x = 422,039.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.